Screwdriver comprises knurl connected to blade and handle fitted on blade by ratchets spaced from each other by spring which pushes on ratchet via ball

摘要

The screwdriver comprises a knurl (1) connected to a blade (2) and a handle (3) which is fitted on the blade by means of ratchets (4,5). The ratchets are spaced from each other by a spring (6) which pushes on the ratchet (4) by means of a ball (7). A stop washer (8) is inserted between the ratchet and the bushing (9).